Apple iPhone 4 8GB vs Redmi Note 8 Pro
| Type | Touch | Touch |
| Waterproofness & dust-resistance |  | IP52 |
| Dimensions | 115.20 x 58.60 x 9.30 mm | 161.30 x 76.40 x 8.79 mm |
| Weight | 137.00 g | 199.80 g |
| Display size | 3.50" | 6.53" |
| Display | Color / IPS TFT 16M colors 640 x 960 px (3.50") 330 ppi | Color / IPS TFT 16M colors 1080 x 2340 px (6.53") 395 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 840 min. (14.0 h) 3G: 420 min. (7.0 h) | |
| Stand-by (max.) | 2G: 300 h. (12.5 days) 3G: 300 h. (12.5 days) | |
| Playback time (max.) | Audio: 40 h (1.7 days) | nd |
| Internet browsing time (max.) | WiFi: 10 h (0.4 days) 3G: 6 h (0.3 days) | nd |
| Standard battery | Li-Po 1420 mAhBuy powerbank
| Li-Po 4500 mAhBuy powerbank
|
| Quick battery charging | | Quick Charge 4+ |
| Wireless battery charging | | |
| Internal memory | 8 GB | 128 GB, 64 GB, 256 GB |
| End-user memory | 6.7 GB | |
| RAM memory | | 6 GB, 8 GB |
| Memory cards | |  microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | iOS 4 | Android 9.0 Pie |
| Interface | - | MIUI 10 |
| Processor | Apple A4 | MediaTek Helio G90T |
| Processor clock | 1000 MHz | 2000 MHz |
| GPU | - | ARM Mali-G76 3EEMC4 @800 MHz |
| Touchscreen | | |
| SAR (10g) | 1,17 W/kg | |
| DualSIM | | |
| SIM cards standard | SingleSIM(microSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Announced | 4Q 2010 | 3Q 2019 |
| Other names | - | Xiaomi Redmi Note 8 Pro |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo sensor model | | Samsung S5KGW1 |
| Photo matrix | 5 Mpx | 64 Mpx |
| Sensor size | | 1/1,7 |
| Pixel size | | 0,8 µm |
| Resolution | 2592x1944 px | 9248x6936 px |
| Optical zoom | | |
| Digital zoom | 5x | |
| Field of view | | 79 ° |
| Focal length | | 26 mm |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1280x720 px | 3840x2160 px |
| Video formats | H.263, MPEG4 - 30 fps | H.264, H.265, MPEG4 - 30 fps |
| Additional | - | AF, f/1.89 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 8 Mpx |
| Pixel size | nd | 1,12 µm |
| Optical zoom | nd | |
| Field of view | nd | 120 ° |
| Focal length | nd | 13 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
| Third camera | | |
| Photo matrix | nd | 2 Mpx |
| Pixel size | nd | 1,75 µm |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | AF |
| Fourth camera | | |
| Photo matrix | nd | 2 Mpx |
| Pixel size | nd | 1,75 µm |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | | Samsung S5K3T1 |
| Photo matrix | 0.3 Mpx | 20 Mpx |
| Resolution | 640x480 px | 5184x3880 px |
| Optical zoom | | |
| Field of view | | 108 ° |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | H.263, MPEG4 - 30 fps | H.264, H.265, MPEG4 - 30 fps |
| Additional | - | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 7.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 603.00 Mbit/s |
| LTE UP | | - |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | class 10 | |
| Bluetooth | v2.1 EDR | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | OTHER | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AAX, AAX+, AIFF, WAV | AAC, AAC+, AMR, FLAC, MID, MKA, OGG, WAV, eAAC+ |
| Polyphony | 64 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |